Category: EN

NASA’s Planetary Radar Tracks Two Large Asteroid Close Approaches

NASA’s Planetary Radar Tracks Two Large Asteroid Close Approaches

The Deep Space Network’s Goldstone planetary radar had a busy few days observing asteroids 2024 MK and 2011 UL21 as they safely passed Earth. Scientists at NASA’s Jet Propulsion Laboratory in Southern California recently tracked two asteroids as they flew by our planet. One turned out to have a little moon orbiting it, while the…

How the planetary systems were born

How the planetary systems were born

Our solar system began to form about 4.6 billion years ago. Astronomers think small rocky and icy grains within the solar nebula began sticking together, growing into even larger objects. Although the process remains poorly understood, solid objects miles or more across eventually populated the disk. Astronomers call these bodies planetesimals. Within a million years…

NASA Shares Two New Moon to Mars Architecture White Papers

NASA Shares Two New Moon to Mars Architecture White Papers

NASA has released two white papers associated with the agency’s Moon to Mars architecture efforts. The papers, one on lunar mobility drivers and needs, and one on lunar surface cargo, detail NASA’s latest thinking on specific areas of its lunar exploration strategy. While NASA has established a yearly cadence of releasing new documents associated with…

Did you know: Voyager 2 at Uranus

Did you know: Voyager 2 at Uranus

During its flyby, Voyager 2 discovered 10 new moons (given such names as Puck, Portia, Juliet, Cressida, Rosalind, Belinda, Desdemona, Cordelia, Ophelia, and Bianca – obvious allusions to Shakespeare, continuing a naming tradition begun in 1787), two new rings in addition to the “older” nine rings, and a magnetic field tilted at 55 degrees off-axis…

Mars, the red planet: Facts and information

Mars, the red planet: Facts and information

Once upon a time, though, wind and water flowed across the red planet. Robotic rovers have found clear evidence that billions of years ago, lakes and rivers of liquid water coursed across the red...